.pagers{
    position: absolute;
    left: 0px;
    width: 200px;

}
.pagers ul{
    list-style: none;
    border: 1px solid #ddd;
}
.pagers ul>li{
    box-sizing: border-box;
    /* border: 1px solid #f40; */
    background-color: #eee;
    height: 50px;
    margin-bottom: 1px;
    line-height: 50px;
}
.pagers ul>li.choosed{
    background-color: #fff;
    color:#f40;
}